/*
*  Copyright 2019-2023 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.post.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import me.zhengjie.poemmanager.domain.Comment;
import me.zhengjie.post.domain.PostComment;
import me.zhengjie.post.domain.vo.PostCommentQueryCriteria;
import me.zhengjie.post.mapper.PostCommentMapper;
import me.zhengjie.post.service.PostCommentService;
import me.zhengjie.utils.FileUtil;
import me.zhengjie.utils.PageResult;
import me.zhengjie.utils.PageUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
* @description 服务实现
* @author yellow
* @date 2025-04-20
**/
@Service
@RequiredArgsConstructor
public class PostCommentServiceImpl extends ServiceImpl<PostCommentMapper, PostComment> implements PostCommentService {

    private final PostCommentMapper postCommentMapper;
    @Override
    public PageResult<PostComment> queryAll(PostCommentQueryCriteria criteria, Page<Object> page){
        return PageUtil.toPage(postCommentMapper.findAll(criteria, page));
    }

    @Override
    public List<PostComment> queryAll(PostCommentQueryCriteria criteria){
        return postCommentMapper.findAll(criteria);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void create(PostComment resources) {
        postCommentMapper.addPostCommentCount(resources.getObjectId());
        save(resources);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(PostComment resources) {
        PostComment postComment = getById(resources.getCommentId());
        postComment.copy(resources);
        saveOrUpdate(postComment);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteAll(List<Integer> ids) {
        for(Integer id : ids){
            PostComment pc = postCommentMapper.selectById(id);
            postCommentMapper.subPostCommentCount(pc.getObjectId());
            removeById(id);
        }
    }

    @Override
    public void download(List<PostComment> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (PostComment postComment : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("评论的帖子的主键id", postComment.getObjectId());
            map.put("用户名", postComment.getUserName());
            map.put("评论内容", postComment.getContent());
            map.put("创建日期", postComment.getCreatedAt());
            map.put("更新时间", postComment.getUpdatedAt());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }

    @Override
    public List<Comment> getMyComment(String userName) {
        List<Comment> cs = postCommentMapper.selectByUserName(userName);
        for (Comment c:cs
        ) {
            c.setTitle(postCommentMapper.getPostTitle(c.getObjectId()));
            c.setObjectType(0);
        }
        return cs;
    }
}